alphaomegaio.py 文件源码

def read_f(self, offset =None):
        if offset is not None :
            self.fid.seek(offset)
        d = { }
        for key, fmt in self.description :
            fmt = '<' + fmt # insures use of standard sizes
            buf = self.fid.read(struct.calcsize(fmt))
            if len(buf) != struct.calcsize(fmt) : return None
            val = list(struct.unpack(fmt , buf))
            for i, ival in enumerate(val):
                if hasattr(ival, 'split'):
                    val[i] = ival.split('\x00', 1)[0]
            if len(val) == 1:
                val = val[0]
            d[key] = val
        return d